Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 59)

IM 11M12A01-05E 4-3
4. Piping
4.2 Piping for System Configuration 2
Piping in System 2 is illustrated in Figure 4.7.
~
F4.7E.EPS
Model ZA8F flow setting unit
Reference gas
Calibration gas
Needle
valve
Flowmeter
Instrument air
Air Set
Calibration gas pressure regulator
Zero gas
cylinder Calibration gas unit case
Stop valve
or
Check valve
100 to 240 V AC
Model ZR202G Integrated type Zirconia
High Temperature Humidity Analyzer
Span gas (Same as Zero gas
Calibration unit )
Contact input
Analog output, Contact output
Digital output (HART)
Figure 4.7 Piping for System 2
System 2 illustrated in Figure 4.7 requires piping as follows:
• Mount the stop valve or the check valve through a nipple to the reference gas inlet of
the equipment.
4.2.1 Piping Parts for System Configuration 2
Check that the parts listed in Table 4.2 are provided.
Table 4.2 Piping Parts
Equipment Piping location Parts Description
General-use Calibration gas inlet Stop valve or check valve Stop valve (L9852CB or G7016XH
Analyzer provided by YOKOGAWA),
check valve (K9292DN or K9292DS)
recommended by YOKOGAWA
Nipple * Rc1/4 or 1/4 NPT Commercially available
Zero gas cylinder User´s scope
Regulator valve (G7013XF or G7014XF) recommended by
YOKOGAWA
Joint for tube connection Rc1/4 or 1/4 NPT Commercially available
Reference gas inlet Air set (K9573XH/K9473XJ or G7004XF/K9473XG)
recommended by YOKOGAWA
Joint for tube connection Rc1/4 or 1/4 NPT Commercially available
Note: Parts marked with * are used when required. T4.2E.EPS